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(11)

EP 2 862 401 A1

(12)

(43) Date of publication: 22.04.2015 Bulletin 2015/17 (21) Application number: 13732346.5 (22) Date of filing: 18.06.2013

(51) International Patent Classification (IPC):  H04W 72/08(2009.01) H04B 7/06(2006.01) H04B 17/00(2015.01) H04L 5/00(2006.01) (86) International application number: PCT/US2013/046278 (87) International publication number: WO 2013/192160 (27.12.2013 Gazette 2013/52)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 19.06.2012 US 201261661735 P 17.06.2013 US 201313920036 (71) Applicant: Qualcomm Incorporated San Diego, CA 92121-1714 (US)

(72) Inventors: LUO, Tao San Diego, California 92121-1714 (US) WEI, Yongbin San Diego, California 92121-1714 (US) GAAL, Peter San Diego, California 92121-1714 (US) XU, Hao San Diego, California 92121-1714 (US) YOO, Taesang San Diego, California 92121-1714 (US) MALLIK, Siddhartha San Diego, California 92121-1714 (US) JOHN WILSON, Makesh Pravin San Diego, California 92121-1714 (US) BHUSHAN, Naga San Diego, California 92121-1714 (US) MALLADI, Durga Prasad San Diego, California 92121-1714 (US) JI, Tingfang San Diego, California 92121-1714 (US) HORN, Gavin Bernard San Diego, California 92121-1714 (US) (74) Representative: Wegner, Hans  Bardehle Pagenberg Partnerschaft mbB Patentanwälte, Rechtsanwälte Prinzregentenplatz 7 81675 München 81675 München (DE)